Article Photos: State-by-state look at frigid blast hitting US 30/36

A worker from Wilson Air Center de-ices a Southwest Airlines plane before it lifts off to Orlando, Fla., Friday, Dec. 6, 2013, at the Memphis International Airport in Memphis, Tenn. The National Weather Service said winter storm warnings and watches and an ice storm warning were in effect for northern Mississippi and West Tennessee on Friday. (AP Photo/The Commercial Appeal, Mark Weber)